Mahogany keystone box

Mahogany keystone box, for pocket brass framed sextant

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Mahogany keystone box, for pocket brass framed sextant
Science Museum Group
© The Board of Trustees of the Science Museum

Mahogany keystone box, for pocket brass framed sextant, made by Jesse Ramsden, Piccadilly, London, England, 1785-1795

Details

Category:
Surveying
Object Number:
1932-584/2
Materials:
brass (copper, zinc alloy) and mahogany (wood)
Measurements:
overall (in case): 50 mm x 125 mm x 105 mm, .385kg
type:
box - container
credit:
Miss Althea M. Wollaston